n.
Any of about 25 species of long-tusked marmosets in the genera Leontopithecus (or Leontideus , according to some authorities) and Saguinus .
Tamarins are 812 in. (2030 cm) long, excluding the 1216-in. (3040-cm) tail. The emperor tamarin ( Saguinus imperator ) has long, grizzled, gray fur; a reddish tail, and a long white moustache. The three species of Leontopithecus are endangered. See also golden lion tamarin .